Let’s start with some basic biology: in the nucleus of a human cell, each DNA molecule is packed into a long thread called a chromosome. Most human cells contain 23 pairs of chromosomes, with one half ...
A new study finds that, in healthy women, some breast cells that otherwise appear normal may contain chromosome abnormalities typically associated with invasive breast cancer. The findings question ...
Chromosome abnormality is the condition in a cell or organism where the number of chromosomes or the structure of any chromosome differs from the normal karyotype. When the variant genotype is not ...